/Engine/Plugins/Runtime/ComputeFramework/Source/ComputeFramework/Public/ComputeFramework/ComputeDataInterface.h
Gather permutations from the data interface. Any connected kernel will include these in its total compiled permutations.
virtual void GetPermutations ( [FComputeKernelPermutationVector](API\Plugins\ComputeFramework\ComputeFramework\FComputeKernelPermutationVector) & OutPermutationVector ) const